80456660

素因数分解:

$2^2\times 5^1\times {\mathrm{1759}}^1\times {\mathrm{2287}}^1$

素因数の和:4055

約数の個数: 24

約数和(自身を含む): 169128960

約数和(自身を除く): 88672300

約数列:

[1, 2, 4, 5, 10, 20, 1759, 2287, 3518, 4574, 7036, 8795, 9148, 11435, 17590, 22870, 35180, 45740, 4022833, 8045666, 16091332, 20114165, 40228330, 80456660]

約数ペア:

[(1, 80456660), (2, 40228330), (4, 20114165), (5, 16091332), (10, 8045666), (20, 4022833), (1759, 45740), (2287, 35180), (3518, 22870), (4574, 17590), (7036, 11435), (8795, 9148)]